.w{
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0px;
  bottom: 0px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  background-color: #f7f7f7;
  .top{
    width: 100%;
    height: 200px;
    background-color: #ffffff;
    border-bottom: 1px #eaeaea solid;
    .t{
      margin: 20px;
      position: relative;
      p{
        text-align: center;
      }
      span{
        position: absolute;
        left: 20px;
      }
    }
    .nav{
      width: 100%;
      height: 100px;
      display: flex;
      justify-content: space-evenly;
      >div{
        height: 100%;
        color: #9a9a9a;
        font-size: 30px;
        display: flex;
        align-items: center;
      }
      >div:first-child{
        color: #ff4c4c;
        border-bottom: #ff4c4c 2px solid;
      }
    }
  }
  .con{
    flex-grow: 1;
    margin-top: 10px;
    >ul{
      list-style: none;
      >li{
        box-sizing: border-box;
        padding: 20px;
        width: 687px;
        height: 222px;
        display: flex;
        justify-content: space-between;
        background-color: #ffffff;
        margin-bottom: 10px;
        >div:first-child{
          width: 267px;
          height: 176;
          text-align: center;
          line-height: 176px;
          background-color: aquamarine;
          font-size: 50px;
          img{
            width: 100%;
            height: 100%;
          }
        }
        >div:last-child{
          display: flex;
          flex-direction: column;
          justify-content: space-evenly;
          width: 350px;
          height: 176px;
          >p{
            color: #b9b9b9;
            font-size: 20px;
          }
          span{
            font-size: 30px;
          }
        }
      }
    }
  }
}